A 75-Year-Old Man Is Sent to the Emergency Room After

A 75-year-old man is sent to the emergency room after experiencing left-sided chest discomfort and dyspnea for two hours. Since suffering from right-sided hemiplegia, hemi-sensory loss, and aphasia four months ago, the patient has resided in a nursing home. He has a history of hypertension, diabetes mellitus, and high cholesterol. The patient goes into ventricular fibrillation when an ECG is being taken, and despite efforts to revive him or her, he or she passes away. The picture below depicts a coronal slice of the brain following an autopsy. The walls of the brain lesion are most likely composed of which of the following?

A) Astrocytes
B) Ependymal cells
C) Fibroblasts
D) Oligodendrocytes
E) Pia mater
F) Schwann cells

Correct Answer:

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